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Airworthiness Directive

AD 95-18-10 60 FR 47685 Active

Federal Aviation Administration · 14 CFR part 39

Requires repetitively inspecting the elevator root ribs for cracks on de Havilland DHC-6 series airplanes, and replacing any cracked part.

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FR document
95-21960
Amendment
39-9357
Published
1995-09-14
Effective
1995-10-26
Models covered
1

Last live check: 2026-08-19

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AD

95-18-10

FR doc 95-21960 · 60 FR 47685

AD 95-18-10Published 1995-09-14Effective 1995-10-26

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires repetitively inspecting the elevator root ribs for cracks on de Havilland DHC-6 series airplanes, and replacing any cracked part.

Supersedes an earlier directive that is not in our index. See the official text.

Full official abstract

This amendment supersedes Airworthiness Directive (AD) 81-10- 11, which currently requires repetitively inspecting the elevator root ribs for cracks on de Havilland DHC-6 series airplanes, and replacing any cracked part. The Federal Aviation Administration's policy on aging commuter-class aircraft is to eliminate, or, in certain instances, reduce the number of certain repetitive short-interval inspections when improved parts or modifications are available. This action requires modifying the elevator root rib as terminating action for the repetitive inspections currently required by AD 81-10-11. The actions specified by this AD are intended to prevent failure of the elevator root rib, which could result in loss of control of the airplane.

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All de Havilland DHC-6 Twin Otter directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index